In relation to the characteristics of electric reciprocating saw transmission machine, a complete motion sketch has been drawn and equivalent substitution has been done on the sketch.
针对电动往复锯传动机构的特点,完整地绘制了运动简图,并对此运动简图进行了等效代换。
Which kinds is the badminton motion project mark? Badminton doubles sketch map?
羽毛球运动项目分为哪几种?羽毛球双打示意图?
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